Famous Optical Illusions
The Mandela Effect
Memory Fun Facts
Memory Mistakes
100

This famous illusion can look like either a vase or two faces.

What is the Rubin Vase?

100

The Mandela Effect is named after this historical figure because many people falsely remembered him dying in prison.

Who is Nelson Mandela?

100

This part of the brain is responsible for forming new memories

What is the hippocampus?

100

This common memory failure happens when you forget why you walked into a room.

What is the door way effect?

200

This famous illusion illustrates two lines that appear to be different lengths but are actually the same.

What is the Müller-Lyer illusion?


200

People often misquote this famous line from Star Wars, thinking Darth Vader says, "Luke, I am your father."

What is "No, I am your father"?


200

A lack of this can make it harder to remember things and focus.

What is water (hydration)?


200

The strange sensation of feeling like you've already experienced something that is currently happening, even though you know you haven't actually been in that situation before.

What is Déjà vu?

300

This illusion makes two objects look like they’re different sizes, even though they’re the same.

What is the Ponzo illusion?

300

The logo for this peanut butter brand is often misremembered as "Jiffy," even though it was never called that.

What is Jif?

300

Exercising this part of your body helps improve memory.

What is the brain?

300

This expression is used when you know a word but can't say it or "find".

What is on the tip-of-the-tongue?

400

This illusion makes parallel lines look like they are bending.

What is the Hering illusion?

400

The logo for this fruit company is often misremembered as featuring a pineapple on top, even though it never did.

What is the Fruit of the Loom logo?

400

This memory condition, often caused by brain injury, prevents people from making new memories.

What is amnesia?

400

This memory error happens when you strongly associate a song, smell, or place with an old memory.

What is an involuntary memory?

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